namespace CSharpPro._10_20_02;

public class demo
{
    public static void Main()
    {
        var student = new Student(2025001, "张三", 20);
        student.AddGrade(85);
        student.AddGrade(92);
        student.AddGrade(78);
        student.DisplayInfo();
        Console.WriteLine($"是否及格: {student.IsPassing()}");

       
        
        
    }
}